Features: * The electric conductivity of lanthanated tungsten electrode is most closed to that of 2% thoriated tungsten electrode at either AC or DC and do not have to make any welding program changes. The radioactivity from thoriated tungsten can thuscurrent an * Region free and easy to use; Can be used of WP-17 WP-18 WP-26 TIG Welding Torch. * The Brand of Machine would be Rilon, Riland, J asic, Mitech, Chiry, UNT, Krypton, Longetivity, Berlan and so on. * This kit fits all 17 26 series air cooled welding torches and 18 series water cooled torches, L incoln PTA-17 PTA-17V PTA-26 PTA-26V PTW-18 Tig Welding Torches, Miller Diamondback DB17 DB17V DB26 DB26V DB 18 Tig Welding torches. Package Included: (The batteries are not included) 3 x #4 54N18 Alumina Nozzle Gas Les Cups for WP-17 WP-18 WP-26 6.5mm 1/4" 3 x #5 54N17 Alumina Nozzle Gas Les Cups for WP-17 WP-18 WP-26 8.0mm 5/16" 3 x #6 54N16 Alumina Nozzle Gas Les Cups for WP-17 WP-18 WP-26 9.5mm 3/8" 3 x #7 54N15 Alumina Nozzle Gas Les Cups for WP-17 WP-18 WP-26 11.0mm 7/16" 3 x #8 54N14 Alumina Nozzle Gas Les Cups for WP-17 WP-18 WP-26 12.5mm 1/2" 1 x 57Y04 Short Back Cup for Tig Welding Torch WP-17 WP-18 WP-26 1 x 57Y03 Medium Back Cup for Tig Welding Torch WP-17 WP-18 WP-26 1 x 57Y02 Long Back Cup for Tig Welding Torch WP-17 WP-18 WP-26 1 x 45V24 Collets Body Gas Les for Tig Welding Torch WP-17 WP-18 WP-26 1.0mm 0.04" 1 x 45V25 Collets Body Gas Les for Tig Welding Torch WP-17 WP-18 WP-26 1.6mm 1/16" 1 x 45V26 Collets Bod